74356874613 has 64 divisors (see below), whose sum is σ = 128752960000. Its totient is φ = 42394254336.

The previous prime is 74356874573. The next prime is 74356874621. The reversal of 74356874613 is 31647865347.

It is a happy number.

74356874613 is a `hidden beast` number, since 7 + 4 + 3 + 568 + 74 + 6 + 1 + 3 = 666.

It is not a de Polignac number, because 74356874613 - 2¹⁶ = 74356809077 is a prime.

It is a super-3 number, since 3×74356874613³ (a number of 34 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 74356874613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74356874663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4223493 + ... + 4241061.

It is an arithmetic number, because the mean of its divisors is an integer number (2011765000).

Almost surely, 2^74356874613 is an apocalyptic number.

It is an amenable number.

74356874613 is a deficient number, since it is larger than the sum of its proper divisors (54396085387).

74356874613 is a wasteful number, since it uses less digits than its factorization.

74356874613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18056 (or 18036 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

The spelling of 74356874613 in words is "seventy-four billion, three hundred fifty-six million, eight hundred seventy-four thousand, six hundred thirteen".